* An installation represents an app installed on a device.

Pluggable interface for sending push notifications go:generate mockery --dir ../interfaces --name Delivery --output ../../mocks --outpkg mocks.

Pluggable Installation Service interface go:generate mockery --dir ../interfaces --name Installations --output ../../mocks --outpkg mocks.

This interface is not expected to be pluggable go:generate mockery --dir ../interfaces --name Subscriptions --output ../../mocks --outpkg mocks.